Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cam hoc cau snippets" » "cao hoc cau snippets", "am hoc cau snippets", "cam hoa cau snippets", "cam hoc cao snippets", "cam hoc cac snippets", "cam hoc can snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cam hoc cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cam hoc cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cam hoc cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cam hoc cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.